Home / 151,723.66-209,378.52-84,655.66

Finding the Fourth Proportional to 151,723.66, 209,378.52 and 84,655.66

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Solution

The fourth proportional to 151,723.66, 209,378.52 and 84,655.66 is: 116,824.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    151,723.66 : 209,378.52 = 84,655.66 : x
  2. Step 2: Convert to fraction form
    151,723.66/209,378.52 = 84,655.66/x
  3. Step 3: Cross multiply
    151,723.66x = 209,378.52 × 84,655.66
  4. Step 4: Simplify right side
    151,723.66x = 17,725,076,800.42
  5. Step 5: Solve for x
    x = 17,725,076,800.42/151,723.66
  6. Step 6: Final answer
    x = 116,824.74

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.